
Addition of fractions with
like denominators
1
min 29 sec

Addition & subtractions of
fractions
1 min 43 sec

Unit analysis
2 min 23 sec

Perimeter of a triangle
with fractional sides
1 min 16 sec

Least Common Multiple
(LCM)
2 min 52 sec

Compare 3 fractions
3 min 25 sec

Compare 2 fractions
2 min 6 sec

Lowest Common Denominator (LCD)
2 min 45 sec

Add fractions with unlike
denominators
3 min 0 sec

Subtract fractions with
unlike denominators
1 min 9 sec

Kitchen Subflooring
5 min 48 sec

Add & subtract mixed
numbers
3 min 16 sec

Application (add/subtract
mixed numbers)
2 min 55 sec

Perimeter of triangle with
mixed number sides
4 min 36 sec

Finding missing side
1 min 33 sec

Application (add/subtract
mixed numbers)
2 min 16 sec

Dual
1 min 34 sec

Use unit analysis to
determine driving time
1 min 47 sec

Application (defective
bottles)
1 min 45 sec

Application (budget for
lunchmeat)
3 min 19 sec

Estimate a mixed number
computation problem
54 sec

Subtraction of mixed
numbers
2 min 16 sec